数据库系统

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joininfo.h：源码内容

							/*-------------------------------------------------------------------------
 *
 * joininfo.h
 *	  prototypes for joininfo.c.
 *
 *
 * Copyright (c) 1994, Regents of the University of California
 *
 * $Id: joininfo.h,v 1.12 1999/05/25 22:43:08 momjian Exp $
 *
 *-------------------------------------------------------------------------
 */
#ifndef JOININFO_H
#define JOININFO_H
#include "nodes/nodes.h"
#include "nodes/relation.h"
#include "nodes/primnodes.h"
extern JoinInfo *joininfo_member(List *join_relids, List *joininfo_list);
extern JoinInfo *find_joininfo_node(RelOptInfo *this_rel, List *join_relids);
extern Var *other_join_clause_var(Var *var, Expr *clause);
#endif	 /* JOININFO_H */

						